Home / 17,988-26,983.92-4,840.32

Finding the Fourth Proportional to 17,988, 26,983.92 and 4,840.32

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Solution

The fourth proportional to 17,988, 26,983.92 and 4,840.32 is: 7,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988 : 26,983.92 = 4,840.32 : x
  2. Step 2: Convert to fraction form
    17,988/26,983.92 = 4,840.32/x
  3. Step 3: Cross multiply
    17,988x = 26,983.92 × 4,840.32
  4. Step 4: Simplify right side
    17,988x = 130,610,807.65
  5. Step 5: Solve for x
    x = 130,610,807.65/17,988
  6. Step 6: Final answer
    x = 7,261.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.